Supplied as a liquid in 20mM potassium phosphate, pH 7.5, 200mM potassium chloride, 2mM DTT, 50% glycerol.
保存建议
Aliquot to avoid repeated freezing and thawing.. Store at -20 degree C. Aliquots are stable for 6 months at -20 degree C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.